title: A proposed mechanism of normal intestinal lactase decline in the postweaned mammal.
mesh_terms: D000375:Aging; D000818:Animals; D005696:Galactosidases / Q000378:metabolism*; D007413:Intestinal Mucosa / Q000201:enzymology / Q000254:growth & development*; D007583:Jejunum / Q000166:cytology / Q000201:enzymology / Q000254:growth & development*; D051381:Rats; D014886:Weaning; D001616:beta-Galactosidase / Q000378:metabolism*
chemical_list: D005696:Galactosidases; D001616:beta-Galactosidase